NOTE: The canonical source of this file is maintained with the GNU C Library.
Bugs can be reported to bug-glibc@prep.ai.mit.edu.
- This program is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by the
- Free Software Foundation; either version 2, or (at your option) any
- later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- USA. */
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#ifdef _LIBC
-# define my_strftime_gmtime_r __gmtime_r
-# define my_strftime_localtime_r __localtime_r
# define tzname __tzname
# define tzset __tzset
-#else
-
-/* If we're a strftime substitute in a GNU program, then prefer gmtime
- to gmtime_r, since many gmtime_r implementations are buggy.
- Similarly for localtime_r. */
-
-# if ! HAVE_TM_GMTOFF
-static struct tm *my_strftime_gmtime_r __P ((const time_t *, struct tm *));
-static struct tm *
-my_strftime_gmtime_r (t, tp)
- const time_t *t;
- struct tm *tp;
-{
- struct tm *l = gmtime (t);
- if (! l)
- return 0;
- *tp = *l;
- return tp;
-}
+#endif
-static struct tm *my_strftime_localtime_r __P ((const time_t *, struct tm *));
-static struct tm *
-my_strftime_localtime_r (t, tp)
- const time_t *t;
- struct tm *tp;
-{
- struct tm *l = localtime (t);
- if (! l)
- return 0;
- *tp = *l;
- return tp;
-}
-# endif /* ! HAVE_TM_GMTOFF */
-#endif /* ! defined _LIBC */
+#if !HAVE_TM_GMTOFF
+/* Portable standalone applications should supply a "time_r.h" that
+ declares a POSIX-compliant localtime_r, for the benefit of older
+ implementations that lack localtime_r or have a nonstandard one.
+ See the gnulib time_r module for one way to implement this. */
+# include "time_r.h"
+# undef __gmtime_r
+# undef __localtime_r
+# define __gmtime_r gmtime_r
+# define __localtime_r localtime_r
+#endif
#if !defined memset && !defined HAVE_MEMSET && !defined _LIBC
int _n = (n); \
int _delta = width - _n; \
int _incr = _n + (_delta > 0 ? _delta : 0); \
- if (i + _incr >= maxsize) \
+ if ((size_t) _incr >= maxsize - i) \
return 0; \
if (p) \
{ \
MEMCPY ((PTR) p, (const PTR) (s), _n))
#ifdef COMPILE_WIDE
-# ifdef USE_IN_EXTENDED_LOCALE_MODEL
-# define widen(os, ws, l) \
+# ifndef USE_IN_EXTENDED_LOCALE_MODEL
+# undef __mbsrtowcs_l
+# define __mbsrtowcs_l(d, s, l, st, loc) __mbsrtowcs (d, s, l, st)
+# endif
+# define widen(os, ws, l) \
{ \
mbstate_t __st; \
const char *__s = os; \
memset (&__st, '\0', sizeof (__st)); \
l = __mbsrtowcs_l (NULL, &__s, 0, &__st, loc); \
- ws = alloca ((l + 1) * sizeof (wchar_t)); \
+ ws = (wchar_t *) alloca ((l + 1) * sizeof (wchar_t)); \
(void) __mbsrtowcs_l (ws, &__s, l, &__st, loc); \
}
-# else
-# define widen(os, ws, l) \
- { \
- mbstate_t __st; \
- const char *__s = os; \
- memset (&__st, '\0', sizeof (__st)); \
- l = __mbsrtowcs (NULL, &__s, 0, &__st); \
- ws = alloca ((l + 1) * sizeof (wchar_t)); \
- (void) __mbsrtowcs (ws, &__s, l, &__st); \
- }
-# endif
#endif
#else
# ifdef COMPILE_WIDE
# define my_strftime wcsftime
+# define nl_get_alt_digit _nl_get_walt_digit
# else
# define my_strftime strftime
+# define nl_get_alt_digit _nl_get_alt_digit
# endif
# define extra_args
# define extra_args_spec
# define ns 0
#endif
-#if !defined _LIBC && HAVE_TZNAME && HAVE_TZSET
- /* Solaris 2.5 tzset sometimes modifies the storage returned by localtime.
- Work around this bug by copying *tp before it might be munged. */
- size_t _strftime_copytm __P ((char *, size_t, const char *,
- const struct tm * extra_args_spec_iso));
- size_t
- my_strftime (s, maxsize, format, tp extra_args)
- CHAR_T *s;
- size_t maxsize;
- const CHAR_T *format;
- const struct tm *tp;
- extra_args_spec
- {
- struct tm tmcopy;
- tmcopy = *tp;
- return _strftime_copytm (s, maxsize, format, &tmcopy extra_args);
- }
-# undef my_strftime
-# define my_strftime _strftime_copytm
+#if ! defined _LIBC && ! HAVE_RUN_TZSET_TEST
+/* Solaris 2.5.x and 2.6 tzset sometimes modify the storage returned
+ by localtime. On such systems, we must use the tzset and localtime
+ wrappers to work around the bug. */
+"you must run the autoconf test for a working tzset function"
#endif
int pad = 0; /* Padding for number ('-', '_', or 0). */
int modifier; /* Field modifier ('E', 'O', or 0). */
int digits; /* Max digits for numeric format. */
- int number_value; /* Numeric value to be printed. */
+ int number_value; /* Numeric value to be printed. */
int negative_number; /* 1 if the number is negative. */
const CHAR_T *subfmt;
CHAR_T *bufp;
width = 0;
do
{
- width *= 10;
- width += *f - L_('0');
+ if (width > INT_MAX / 10
+ || (width == INT_MAX / 10 && *f - L_('0') > INT_MAX % 10))
+ /* Avoid overflow. */
+ width = INT_MAX;
+ else
+ {
+ width *= 10;
+ width += *f - L_('0');
+ }
++f;
}
while (ISDIGIT (*f));
switch (format_char)
{
#define DO_NUMBER(d, v) \
- digits = width == -1 ? d : width; \
+ digits = d > width ? d : width; \
number_value = v; goto do_number
#define DO_NUMBER_SPACEPAD(d, v) \
- digits = width == -1 ? d : width; \
+ digits = d > width ? d : width; \
number_value = v; goto do_number_spacepad
case L_('%'):
jump to one of these two labels. */
do_number_spacepad:
- /* Force `_' flag unless overwritten by `0' flag. */
- if (pad != L_('0'))
+ /* Force `_' flag unless overridden by `0' or `-' flag. */
+ if (pad != L_('0') && pad != L_('-'))
pad = L_('_');
do_number:
#ifdef _NL_CURRENT
/* Get the locale specific alternate representation of
the number NUMBER_VALUE. If none exist NULL is returned. */
-# ifdef COMPILE_WIDE
- const wchar_t *cp = _nl_get_walt_digit (number_value
- HELPER_LOCALE_ARG);
-# else
- const char *cp = _nl_get_alt_digit (number_value
- HELPER_LOCALE_ARG);
-# endif
+ const CHAR_T *cp = nl_get_alt_digit (number_value
+ HELPER_LOCALE_ARG);
if (cp != NULL)
{
do
*--bufp = u % 10 + L_('0');
while ((u /= 10) != 0);
- }
+ }
do_number_sign_and_padding:
if (negative_number)
int padding = digits - (buf + (sizeof (buf) / sizeof (buf[0]))
- bufp);
- if (pad == L_('_'))
- {
- while (0 < padding--)
- *--bufp = L_(' ');
- }
- else
+ if (padding > 0)
{
- bufp += negative_number;
- while (0 < padding--)
- *--bufp = L_('0');
- if (negative_number)
- *--bufp = L_('-');
+ if (pad == L_('_'))
+ {
+ if ((size_t) padding >= maxsize - i)
+ return 0;
+
+ if (p)
+ memset_space (p, padding);
+ i += padding;
+ width = width > padding ? width - padding : 0;
+ }
+ else
+ {
+ if ((size_t) digits >= maxsize - i)
+ return 0;
+
+ if (negative_number)
+ {
+ ++bufp;
+
+ if (p)
+ *p++ = L_('-');
+ ++i;
+ }
+
+ if (p)
+ memset_zero (p, padding);
+ i += padding;
+ width = 0;
+ }
}
}
goto subformat;
case L_('r'):
-#ifdef _NL_CURRENT
+#if !defined _NL_CURRENT && HAVE_STRFTIME
+ goto underlying_strftime;
+#else
+# ifdef _NL_CURRENT
if (*(subfmt = (const CHAR_T *) _NL_CURRENT (LC_TIME,
NLW(T_FMT_AMPM)))
== L_('\0'))
-#endif
+# endif
subfmt = L_("%I:%M:%S %p");
goto subformat;
+#endif
case L_('S'):
if (modifier == L_('E'))
DO_NUMBER (2, tp->tm_sec);
case L_('s'): /* GNU extension. */
- {
+ {
struct tm ltm;
time_t t;
occurred. */
struct tm tm;
- if (! my_strftime_localtime_r (<, &tm)
+ if (! __localtime_r (<, &tm)
|| ((ltm.tm_sec ^ tm.tm_sec)
| (ltm.tm_min ^ tm.tm_min)
| (ltm.tm_hour ^ tm.tm_hour)
break;
}
- if (! my_strftime_gmtime_r (<, >m))
+ if (! __gmtime_r (<, >m))
break;
diff = tm_diff (<m, >m);
projects / gnulib.git / blobdiff